coal working face

常见例句

This paper expatiates on the technique's basic principle and its application to exploring collapse column in coal working face.
本文阐述了该技术基本探测原理及其在陷落柱突水前探测采煤工作面内部陷落柱的应用。
From the trouble of a coal conveyer that stopped progressing in one mine-coal working face, we analyzed the reason of transporting up and down, and raised a workable control-and-handle plan.
通过综采工作面机组割不通事故，分析了上移下串的原因，提出了切实可行的控制及处理方案。
The improved conveyer has a high reliability proved practically, obtains good economic returns and social benefits used with corollary equipments of the full-mechanized caving coal working face.
实践证明改进后的输送机可靠性高，与综放设备配套使用，取得了较好的经济效益和社会效益。